Remove unused TypeFoldable/TypeVisitable impls.

2023-04-17 07:16:25 +10:00
parent 458d4dae84
commit 671de6d62a
12 changed files with 12 additions and 59 deletions
--- a/compiler/rustc_middle/src/traits/mod.rs
+++ b/compiler/rustc_middle/src/traits/mod.rs
@@ -569,7 +569,7 @@ pub struct DerivedObligationCause<'tcx> {
    pub parent_code: InternedObligationCauseCode<'tcx>,
 }

-#[derive(Clone, Debug, TypeFoldable, TypeVisitable, Lift)]
+#[derive(Clone, Debug, TypeVisitable, Lift)]
 pub enum SelectionError<'tcx> {
    /// The trait is not implemented.
    Unimplemented,